QC

Qiying Chen

DC Dainichiseika Color & Chemicals Mfg. Co.: 2 patents #125 of 376Top 35%
📍 Tsukuba, JP: #1,315 of 2,818 inventorsTop 50%
Overall (All Time): #2,168,647 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7078072 Method of modifying surface layer of molded resin and apparatus for modifying surface layer of molded resin Takashi Hiraga, Tetsuo Moriya, Junji Tominaga, Nobufumi Atoda, Norio Tanaka +3 more 2006-07-18
7041332 Modification method of surface layer of molded resin article, and modification apparatus of surface layer of molded resin article Takashi Hiraga, Tetsuo Moriya, Junji Tominaga, Nobufumi Atoda, Norio Tanaka +3 more 2006-05-09